某电镀厂排出的废水中含有较多的硫酸铜若要从硫酸铜中获得�属铜以减�废水对环境的污染可选择下列物质中的a.稀盐酸b.氢氧化钠c.银粉d.铁 Template




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tomski某电镀厂排出的废水中含有较多的硫酸铜若要从硫酸铜中获得�属铜以减�废水对环境的污染可选择下列物质中的a.稀盐酸b.氢氧化钠c.银粉d.铁 coloring